A person who takes shortcuts in life to achieve the same result.
I went to the gym and lost 60 lbs. but a lifestyle jacker gets liposuction to lose 60 lbs. aka slacker aka damn I work hard
Some asshole who comes and steals your thoughts and turns it into their life's work aka Blaqadomas
Some fool who jacked my account and took credit for Cracker naggle then came up with a stupidass word. He's one of those mental jackers.
A person who steals all your hardwork and claims all the credit aka boss aka coworker aka bastard
"Good job team", says the career jacker. Now blank's name aka person who's career is being jacked can you also add our names to the credit. #tellyourbosstokickrocks